Home / 152,622.12-210,614.54-84,638.96

Finding the Fourth Proportional to 152,622.12, 210,614.54 and 84,638.96

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Solution

The fourth proportional to 152,622.12, 210,614.54 and 84,638.96 is: 116,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,622.12 : 210,614.54 = 84,638.96 : x
  2. Step 2: Convert to fraction form
    152,622.12/210,614.54 = 84,638.96/x
  3. Step 3: Cross multiply
    152,622.12x = 210,614.54 × 84,638.96
  4. Step 4: Simplify right side
    152,622.12x = 17,826,194,150.21
  5. Step 5: Solve for x
    x = 17,826,194,150.21/152,622.12
  6. Step 6: Final answer
    x = 116,799.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.